Cheap Flights from London Heathrow to Trieste

Compare London Heathrow to Trieste flight deals

Find the cheapest month or even day of the year to fly to Trieste

Book the best Trieste fare with no extra fees

Flight deals from London Heathrow to Trieste

Looking for a cheap last-minute deal or the best return flight from London Heathrow to Trieste? Find the lowest prices on one-way and return tickets right here.

Trieste.R 1,434 per passenger.Departing Mon, 12 Jan.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Mon, 12 Jan, arriving in Trieste.Price includes taxes and charges.From R 1,434, select.

Trieste.R 1,467 per passenger.Departing Wed, 10 Dec.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Wed, 10 Dec, arriving in Trieste.Price includes taxes and charges.From R 1,467, select.

Trieste.R 1,529 per passenger.Departing Wed, 4 Feb.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Wed, 4 Feb, arriving in Trieste.Price includes taxes and charges.From R 1,529, select.

Trieste.R 1,563 per passenger.Departing Sat, 7 Mar.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Sat, 7 Mar, arriving in Trieste.Price includes taxes and charges.From R 1,563, select.

Trieste.R 1,789 per passenger.Departing Fri, 10 Apr.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Fri, 10 Apr, arriving in Trieste.Price includes taxes and charges.From R 1,789, select.

Trieste.R 1,955 per passenger.Departing Mon, 4 May.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Mon, 4 May, arriving in Trieste.Price includes taxes and charges.From R 1,955, select.

Trieste.R 1,958 per passenger.Departing Mon, 15 Jun.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Mon, 15 Jun, arriving in Trieste.Price includes taxes and charges.From R 1,958, select.

Trieste.R 1,980 per passenger.Departing Mon, 10 Aug.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Mon, 10 Aug, arriving in Trieste.Price includes taxes and charges.From R 1,980, select.

Find the cheapest month to fly from London Heathrow to Trieste

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Heathrow to Trieste flights are currently cheapest in January.

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London Heathrow to Trieste: Alternative routes

Compare routes from London Heathrow to Trieste below. You may find an airport to fly into that's cheaper, faster, or easier than Trieste.

London to Trieste: Flight information

The things to know before you go.

Cheapest flight found	R 1,434
Cheapest month to fly	January

Finding cheap flights from London Heathrow to Trieste: Frequently asked questions

How much are return flights from London Heathrow to Trieste?

The best price we found for a return flight from London Heathrow to Trieste is R 2,904. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from London Heathrow to Trieste?

Currently, there are no airlines that fly direct from London Heathrow to Trieste. But we found flights with one or more stops from R 2,905.

How many flights are there a week from London Heathrow to Trieste?

As of November 2025, there are no flights flying from London Heathrow to Trieste.

When is the cheapest time to fly from London Heathrow to Trieste?

The cheapest month to fly from London Heathrow to Trieste is usually January.

Which upcoming date is cheapest to fly from London Heathrow Airport to Trieste Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Trieste Airport on Saturday, 17 January 2026.

Can I get a direct flight from London Heathrow Airport to Trieste Airport?

No airlines currently offer direct flights between London Heathrow Airport and Trieste Airport. Most routes have one or more stops.

How can I find the best flight deal to Trieste?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Trieste but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Trieste?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Trieste is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from London Heathrow Airport to Trieste with?

Currently, Vueling Airlines offers the cheapest flight tickets to Trieste.

Flying from London Heathrow Airport (LHR) to Trieste - Friuli Venezia Giulia Airport (TRS): what you need to know

The timezone in Trieste is UTC+1, which is one hour ahead of London.
Give yourself plenty of time to make your LHR to TRS flight. As a general rule, arrive at least two hours before international departures and an hour ahead for domestic flights.
Flying during a peak month like July? Public holidays and other popular periods can lead to longer lines at airport checkpoints. Be extra cautious and arrive up to four hours before international flights and two hours before a domestic departure.
If you want to split up your journey, simply uncheck 'Direct flights only' when searching for your ticket from London Heathrow Airport to Trieste - Friuli Venezia Giulia Airport. Here are the most popular stopovers between LHR and TRS:
- Frankfurt Airport
- Milano Linate Airport
- Leonardo da Vinci-Fiumicino Airport

How to find the cheapest flights from London Heathrow Airport (LHR) to Trieste - Friuli Venezia Giulia Airport (TRS)

The cheapest price we've found for a one-way London Heathrow Airport to Trieste - Friuli Venezia Giulia Airport flight is R 1,434. A return plane ticket right now is R 2,904. Depending on the availability and when you book, these fares may change.
It's usually smart to book early if you're looking for cheap tickets from LHR to TRS. That's because flight prices are based on demand, which tends to increase closer to departure.
If you're flexible with your trip dates, use the 'Whole month' search tool. It'll give you the lowest price in each month when searching for your flight from London Heathrow Airport to Trieste - Friuli Venezia Giulia Airport.
Save time looking for cheap flights from LHR to TRS by creating a Price Alert. We'll send you an email or notification through the app when a new discounted fare appears.
Secure the right flight for you by using the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from London Heathrow Airport to Trieste - Friuli Venezia Giulia Airport, use the 'Sort by' tool. You can also filter results by airline, departure and arrival times, and journey duration.

Handy information about London Heathrow Airport (LHR)

Of all flights departing from London Heathrow Airport, 68.18% land on time at their destination.
Central London to London Heathrow Airport is approximately 31 kilometres. Depending on traffic, it'll take about 55 minutes to get there if you're catching a cab, ride-sharing or driving.
Planning to take public transport? Expect a journey time of around 1 hour.
Catching an early flight from London Heathrow Airport to Trieste - Friuli Venezia Giulia Airport? Avoid rushing to the terminal (and get some extra shut-eye) by picking one of these hotels near LHR:

Arriving at Trieste - Friuli Venezia Giulia Airport (TRS)

The last thing you need is a long trip to your hotel if you're arriving on a late London Heathrow Airport to Trieste - Friuli Venezia Giulia Airport flight. Stay at one of these accommodation options near TRS instead:
Pick up a Trieste - Friuli Venezia Giulia Airport rental car and explore Trieste and beyond with your own wheels. Sicily by Car, Drivalia and Maggiore are top providers you can book with here.
Lock in the best deal by booking your vehicle from Trieste - Friuli Venezia Giulia Airport around three weeks before your travel date.

Getting from Trieste - Friuli Venezia Giulia Airport (TRS) to central Trieste

From Trieste - Friuli Venezia Giulia Airport, Trieste is approximately 40 kilometres away. It takes around 40 minutes to drive to the centre.
It'll take around 55 minutes if you're travelling by public transport.

When to fly to Trieste - Friuli Venezia Giulia Airport (TRS)

It's time to work out your dates for your flight from London Heathrow Airport to Trieste - Friuli Venezia Giulia Airport. July is the most popular month to visit Trieste. If you'd like a more low-key vibe, go in April.
Before locking in your flight from London Heathrow Airport to Trieste - Friuli Venezia Giulia Airport, consider the type of weather you enjoy. August is the warmest month in Trieste, with the temperature ranging from 17ºC (63ºF) to 30ºC (86ºF).
Search for cheap tickets from LHR to TRS in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 0ºC (32ºF) and 9ºC (48ºF) on average.

Explore more of Italy

Rome is just one of the many cities in Italy waiting to be discovered once you've seen the sights of Trieste. Around 434 kilometres away to the south, check out popular attractions including Colosseum, World’s smallest country Vatican City tour - City of Rome Capital, Italy (Self-Guided free walking tour) by FreeGuides.com and Trevi Fountain.
Milan is another standout destination in Italy and is around 354 kilometres west of Trieste. No trip is complete without visiting Grande Museo del Duomo di Milano, Milan Cathedral and The Last Supper Museum.